Home / 52,656.67-72,660.81-31,433.05

Finding the Fourth Proportional to 52,656.67, 72,660.81 and 31,433.05

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Solution

The fourth proportional to 52,656.67, 72,660.81 and 31,433.05 is: 43,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,656.67 : 72,660.81 = 31,433.05 : x
  2. Step 2: Convert to fraction form
    52,656.67/72,660.81 = 31,433.05/x
  3. Step 3: Cross multiply
    52,656.67x = 72,660.81 × 31,433.05
  4. Step 4: Simplify right side
    52,656.67x = 2,283,950,873.77
  5. Step 5: Solve for x
    x = 2,283,950,873.77/52,656.67
  6. Step 6: Final answer
    x = 43,374.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.